๐Compress Video Size
Reduce video file size by 50โ80% with minimal quality loss. Solves upload size limits on messengers, email, and forums.
How to use
- 1Upload a video file.
- 2Pick a compression level (Medium / CRF 28 is the usual sweet spot).
- 3Click Start. It can take a few minutes depending on length.
- 4Download the compressed MP4.
FAQ
How much will quality drop?+
CRF 28 is the standard 'visually indistinguishable' level. If you want sharper output, pick CRF 23.
Does it work with large files?+
Browser memory caps things at around 1GB. For reliable runs, keep files under 500MB.
What's CRF?+
Constant Rate Factor โ the standard quality dial for video compression. Lower = better quality, larger file. Typical values: 18 (visually lossless), 28 (standard), 35 (heavy compression).
Processing is taking forever โ how do I speed it up?+
Expect 1โ3x the video length. Trim to just the part you need with [video trim] first, then compress.
Will audio quality drop too?+
Default settings compress audio sensibly with almost no audible difference unless it's music.
Still over the 300MB KakaoTalk limit even after compressing?+
Drop the resolution to 720p or 480p with [video resize], or split the video in two.